Pulverizing machine



hammer he used in e reversed position when the hammer faces ot the sumebecome Wo-rii. From the foregoing` description it Will he seen 'thatthis type .of ring` hammer overcomes the disadvantages of 'hammers ofthe old plain our type which are pivotecl to 'the supporting rofl incllieve only tour huur mer luces. rlflie ehove described ringhznnv mei' 1sloosely mounted on its eupoortiiig roel ring hummer is equally es Wellapplicable` jaa so es to move hodilv inwiirfl upon striking :inobstructionv enrl is provided with ten hummer feces in addition 'to its;grinding sun' faces. i

The foregoing 'errainpjement is considered only en exemple; und l do notlwish to he limited to the type of machine shown as my to other types oipulverizers I l claim the i5 lowing :is my ii'ivention:

l. A hammer und crushing member for.

ing

i eilv therein, ring lnunniers loosely mounted ,on seiclL carrier emiadapted to (zo-operate with sciiti grinding Surfaces, some of saidhammers being plein ring-gs :incl some being rings of substantially "theseme overall (lia-meter ne the plain `r/iiigs but having their peripheryo'lf'si'ii', outweril-iy at intervals to forni hummertucesysiiliituzitizilly as nud for the purpoee set tort-li'.

pulverizing' 'machine comprising e erasing hei/ing grind-ing surfaces,a.' carrier with offset pcriiilieries foii'ning redini shoulders, smal,iings'heing loose-lv supported hy said carrier to rotate therewith to cooperette with suiii grinding surfaces, Where hy seid rings serve hotlias hummersweiid cruelle-rs.-

vtions 4.- lii combination with e pulverizing ine-l chine comprising` 'aeasing hfviiig grinding surfaces und a carrier rotatehly mountedtherein, and having ennulerly spaced rods thereon, rings adapted tocooper-(ite `with seid grinding surfaces as ci eher-s, seid rings being`loosely supported, on seirl ennulurly spaced rods, tlie peripheralsurface of said ring being oiiset at intervals by raaiiiil shoulders sothat the outermost 1porw 4form c rushing surfaces and. the shoulders :itthe ends of said crushing surfaces forni hummer feces whereby the ringmayheusod inn reversed position.

5. A ring ianiiuer for pulveriiiing niachilies of the high-speedperoussion` enti crushing type, comprisingv an annuler hody whoseinnernncl outer surfaces are suhsteiitielly concentric but Whose outersurface is offset at intervals to forni rrliel hammer faces.

(3. 'Ei ring hummer for pulverizing meu chines comprising :in annularhotly Whose inner and outer surfaces eresuhstantielly concentric, seidouter surface having about live notches therein and at leest one sie ofeach notch having a substantie-ily ref dielly disposed surface adept-edto constitute e hammer fece.

7. A ringv hummer for pulverizing .nia-- chilies comprising an annulerbody Whose inner und. outer surfaces are substantially concentric, seidouter .surfacel having ebout tive notches .therein and both sides ofeach notch having euloetentifillyi` radially disposed surfaces adaptedto constitute hummer facce Wherehysaid ring: hammer is reversible.

8. ring hammer for pulveriziiig incf chines ol the high-speed'percuseion enel crushing tL/pes comprising an annuler hotly Whose innerfind outer surfaces ereg-Elkton Y tielly concentric' but Wliose'oiitersurface is rotatably mounted therein und heavy rings i oii'set etintervals. to forni reolial hammer feces, the arcuate length of thenotches loeii'i'glV approximately equal. to the :ircuute length. of theportions between them. l

Sin-neel et St. Louis. Missouri, this 5th

